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目录
移至侧边栏
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开始
1
德摩根定律
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实用电子/逻辑/布尔恒等式摘要
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来自维基教科书,开放的书籍,开放的世界
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实用电子
|
逻辑
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德摩根定律
[
编辑
|
编辑源代码
]
名称
陈述
结合律
A
⋅
B
⋅
C
=
(
A
⋅
B
)
⋅
C
=
A
⋅
(
B
⋅
C
)
{\displaystyle A\cdot B\cdot C=\left(A\cdot B\right)\cdot C=A\cdot \left(B\cdot C\right)}
分配律
A
⋅
(
B
+
C
)
=
(
A
⋅
B
)
+
(
A
⋅
C
)
{\displaystyle A\cdot \left(B+C\right)=\left(A\cdot B\right)+\left(A\cdot C\right)}
交换律
A
⋅
B
=
B
⋅
A
{\displaystyle A\cdot B=B\cdot A}
A
+
B
=
B
+
A
{\displaystyle A+B=B+A\,}
A
⊕
B
=
B
⊕
A
{\displaystyle A\oplus B=B\oplus A}
德摩根定律 (1)
A
+
B
¯
=
A
¯
⋅
B
¯
{\displaystyle {\overline {A+B}}={\overline {A}}\cdot {\overline {B}}}
德摩根定律 (2)
A
⋅
B
¯
=
A
¯
+
B
¯
{\displaystyle {\overline {A\cdot B}}={\overline {A}}+{\overline {B}}}
类别
:
图书:实用电子
华夏公益教科书